Control device for regulating the exhaust gas recycling rate in

Details Control device for regulating the exhaust gas recycling rate in Control device for regulating the exhaust gas recycling rate in

1982-07-23

1985-07-30

Lall, Parshotam S.

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

123569, F02M 2506, F02D 2108

Patent

active

045314993

ABSTRACT:
A control device is proposed for regulating the exhaust gas recycling rate in an internal combustion engine with self-ignition in which combustion pressure signals are adjusted directly or indirectly to nominal values dependent on operating characteristics of the engine. In one particular embodiment the combustion pressure signal is differentiated and the frequency of certain occurring amplitude values is adjusted to a nominal value. Owing to the integration of specific combustion processes into the regulation, the device is capable of operating with relatively high precision. It is particularly well suited to compensate for drift phenomena.

REFERENCES:
patent: 4314534 (1982-02-01), Nakajima et al.
patent: 4315492 (1982-02-01), Gardner

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